LoremBase.java

/***
  Copyright (c) 2008-2012 CommonsWare, LLC
  Licensed under the Apache License, Version 2.0 (the "License"); you may not
  use this file except in compliance with the License. You may obtain a copy
  of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless required
  by applicable law or agreed to in writing, software distributed under the
  License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
  OF ANY KIND, either express or implied. See the License for the specific
  language governing permissions and limitations under the License.
  
  Covered in detail in the book _The Busy Coder's Guide to Android Development_
    https://commonsware.com/Android
*/

package com.commonsware.android.search;

import android.app.ListActivity;
import android.app.SearchManager;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import org.xmlpull.v1.XmlPullParser;

abstract public class LoremBase extends ListActivity {
  abstract ListAdapter makeMeAnAdapter(Intent intent);
  
  private static final int LOCAL_SEARCH_ID = Menu.FIRST+1;
  private static final int GLOBAL_SEARCH_ID = Menu.FIRST+2;
  TextView selection;
  ArrayList<String> items=new ArrayList<String>();
  
  @Override
  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.main);
    selection=(TextView)findViewById(R.id.selection);
    
    try {
      XmlPullParser xpp=getResources().getXml(R.xml.words);
      
      while (xpp.getEventType()!=XmlPullParser.END_DOCUMENT) {
        if (xpp.getEventType()==XmlPullParser.START_TAG) {
          if (xpp.getName().equals("word")) {
            items.add(xpp.getAttributeValue(0));
          }
        }
        
        xpp.next();
      }
    }
    catch (Throwable t) {
      Toast
        .makeText(this, "Request failed: "+t.toString(), 4000)
        .show();
    }
    
    setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
    
    onNewIntent(getIntent());
  }
  
  @Override
  public void onNewIntent(Intent intent) {
    ListAdapter adapter=makeMeAnAdapter(intent); 
    
    if (adapter==null) {
      finish();
    }
    else {
      setListAdapter(adapter);
    }
  }
  
  public void onListItemClick(ListView parent, View v, int position,
                  long id) {
    selection.setText(parent.getAdapter().getItem(position).toString());
  }
    
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(Menu.NONE, LOCAL_SEARCH_ID, Menu.NONE, "Local Search")
            .setIcon(android.R.drawable.ic_search_category_default);
    menu.add(Menu.NONE, GLOBAL_SEARCH_ID, Menu.NONE, "Global Search")
            .setIcon(android.R.drawable.ic_menu_search)
            .setAlphabeticShortcut(SearchManager.MENU_KEY);
  
    return(super.onCreateOptionsMenu(menu));
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case LOCAL_SEARCH_ID:
        onSearchRequested(); 
        return(true);
      
      case GLOBAL_SEARCH_ID:
        startSearch(null, false, null, true); 
        return(true);
    }

    return(super.onOptionsItemSelected(item));
  }
}